Katy Perry - Dark Horse (Official) ft. Juicy J

Get "Dark Horse" feat. Juicy J from Katy Perry's PRISM: http://smarturl.it/PRISM
Do you want to play with magic? Insert yourself into the video using #DarkHorseCam: http://andCam.com/DarkHorse
THE PRISMATIC WORLD TOUR coming to you soon: http://www.katyperry.com/events
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